Finding the Fourth Proportional to 427,816.99, 590,394.41 and 234,221.43
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Solution
The fourth proportional to 427,816.99, 590,394.41 and 234,221.43 is: 323,229.38
Step by Step Solution
- Step 1: Write the proportion equation
427,816.99 : 590,394.41 = 234,221.43 : x - Step 2: Convert to fraction form
427,816.99/590,394.41 = 234,221.43/x - Step 3: Cross multiply
427,816.99x = 590,394.41 × 234,221.43 - Step 4: Simplify right side
427,816.99x = 138,283,021,803.10 - Step 5: Solve for x
x = 138,283,021,803.10/427,816.99 - Step 6: Final answer
x = 323,229.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.